The provisions regarding rated parameters and test requirements in 1 to 4 of this specification must be strictly followed. If the ordering unit needs to be changed, it should be reported to the Department of Science and Technology of the Ministry of Energy for approval. Changes may not be made without approval. The clauses related to structure and performance requirements in 1 and 3 can be selected as needed. The terms in 5 are for reference when ordering and negotiating.
DL/T 405-1996 history
1996DL/T 405-1996 Technical specifications for import 252(245)~550kV a.c.high-voltage circuit-breakers and disconnectors